Revisions to Water Quality Policy 1-11: July 2012

The Department of Ecology (Ecology) conducted a public review of proposed revisions to Chapter 1 of Water Quality Policy 1-11 “Assessment of Water Quality for the Clean Water Act Section 303(d) and 305(b) Integrated Report” from July 6 through September 1, 2011. This revised policy will guide our assessment of rivers, streams, and lakes across the state as we prepare the 2012 Fresh Water Assessment and candidate 303(d) list for submittal to the U.S. Environmental Protection Agency (EPA). The final revised Policy 1-11 and responsiveness summary of comments received can be found at:

Summary of Proposed Revisions to WQ Policy 1-11

To learn more about the water quality assessment process, please visit

For information or questions, please contact:

Susan Braley
Water Quality Program
WA Dept. of Ecology
Phone: 360-407-6414


Back to Water Quality Policy 1-11

Last updated July 2012